Weighing scale



Mmhm, 1924." v H. 5. BERGEN WEIYGHING SCALE.

Filed latch 22. 1 922- anvew for )(mee Y .57 5520024 Patented Mar. 18,1924..

' um'rso sures 1.486.944 PATENT OFFICE.

WY 8. 3mm, 01' TOLEDO, OHIO, ASSIGNOR TO TOLEDO GOAL] 001mm, 0]

TOLEDO, OHIO, A CORPORATION 01' m 1138.

WIIGEING SCALE.

Application ma 1mm 22, we. lerlal Io. 540,000.

To all whom it may concern:

Be it known that I, Hana S. Bnnenn, a citizen of the United States,residing at Toledo, in the county of Lucas and State of Ohio, haveinvented certain new and useful Improvements in Weighing Scales, ofwhich the following is a specification.

This invention relates to weighing scales,

and particularly to automatic scales having means for damping thevibrations or oscillating movements of the weighing mechamsm.

One of the principal objects of the invention is the provision ofeconomical and efficient means for mounting platform lever mechanismsand dash pot damping devices for scales of this. type.

Another object isthe provision of a novel form of dash pot which isreadily accessible for the purpose of re-filling.

Other objects and advantages will be apparent from the followingescription, in which reference is had to t e accompanyingv drawinillustrating a referred embodiment 0 my invention an in which similarreference numerals desi ate similar parts throughout the several views.I

In the drawings Figure 1 is an elevational view of a scale embodying myinvention, a portion of the base thereofbeing broken away for the urposeof displaying the parts of the scal e to which my invention particularlyrelates;

Figure 2 is an enlarged sectional view shgwing the dash pot and adjacentparts; an a Figure 3 is an enlarged sectional view taken substantiallyon the line 3-3 of Fig ure 1.

Referrin to the drawings in detail, the base 1 of t e scale forms ahousing which contains the platform lever mechanism and supports at oneof its ends an upright casing 2 containing the automatic load-offsettingmechanism 3 and the indicating mechanism 4. The upright casing 2, asshown, is of the character employed on a type of automatic scales knownas the fan t pe. It is to be understood that the base an upright casingshown in the drawings are merely illustrative and that my invention isapplicable to scales of other types.

Secured to lugs within the base 1 is a bottom late 5 upon which areformed fulcrum stand; 6, in the upper ends of which are platform spiderand dash pot u mounted fulcrum bearings 7 of agate or other sultablematerial. The bearings 7 rockabl support knife-edged fulcrum pivots 8 wich are securedto the main lever 9 of the scale. The lever 9 is alsorovided with load pivots 10 which support the spider 11 that carries theplatform or other commodity-receiver 12. The upper portion. 13 of theplatform spider 12 is detachably secured to an upwardly-extendingportion 14 of the spider, which projects through an opemng in the upperside of the base 1.

Formed upon the plate 5 is an upwardlyextending boss 15, thecross-sectional shape of which is best illustrated in Figure 2. The bosshas an opening 16 in its upper end whlch is surrounded b anupwardly-extending flange 17 and a ownwardly-extendmg flan e 18, andthreaded into the lower or open on of the boss is a cup-like dash pot 19which is provided with facets 20 adapted to be engaged-by a wrench.

The interior of the dash pot 19 is adapted to contain a liquid dampingmedium. The inside wall is preferably smooth and perfectly cylindricaland the dash pot contains a lunger 21 which is secured to the lower enof a plunger rod 22, the upper end of the rod 22 being pivotallyattached to the platform spider 11. An L-shaped check rod 23 is alsosecured to the s ider 11, the horizontal portion of the rod lying withinthe base 1 and the upright portion extending into the case 2 and beingconnected at its upper end to a check link 24.

With the parts constructed and arranged in the manner shown in thedrawing and set forth in the foregoing para form lever 9, platform spier 11 and c eck link 23 may be assembled upon the bottom plate 5 and thelate 5 thereafter fastened in place in the ase 1. The lever 9 may thenbe connected to the load-offsetting mechanism 3, the detachable portion13 of the platform spider and the commodityreceiver may be fixed inplace, and the check rod 23 connected to the link 24. The preliminaryassembly of the platform lever,

11 the bottom plate 5 greatly facilitates t e assembly of the completescale.

With the bottom plate and dash pot constructed and arran ed in themanner illustrated and descri it is apparent that the dash pct 19 may beeasily removed from the aphs, the latbottom plate when it is desirableto re-fill it, whereas if the dash pot were provided with a removablecover, according to the usual practice, such cover would be inside thebase 1 and inaccessible without partly disassembling the scale. Theconstruction ofthe boss 15 and the flanges 17 and 18 which surround theopening 16 is such that if the scale is tipped over the contents of thedash pot will remain in the boss 15, being prevented from runningthrough the opening 16 by the flange 18, while the flange 17 acts as aguard to revent particles of foreign material from alling through theopening 16 into the dash pot.

While it will be apparent that the illustrated embodiment of myinvention herein disclosed is wellcalculated to adequately fulfill theobjects primarily stated, it is to be understood that the invention issusceptible to variation, modification and change within the spirit andscope of the subjoined claims.

Having described my invention, I claim:

1. In a device of the class described, in combination, a plate, a hollowupwardly- I projecting boss formed thereon, said boss being 0 en at itslower end, and a dash pot remova 1y fixed within the open lower end ofsaid boss.

2. In a device of the class described, in combination, a plate, a hollowu wardlyprojecting boss formed upon said p ate, said boss having anopening in its upper end, said opening being surrounded by, a flangeopen at its lower end, a dash pot removably fixed within the open lowerend thereof, a plunger contained within said dash pot, and a plunger rodconnected to'said plunger and extendlng through the opening in the upperend of said boss.

4. In a device of the class described, in combination, a hollow baseforming a housing, a bottom plate removably secured to said housing,lever mechanism sup orted upon said bottom plate, a hollow boss ormedupon said bottom plate and extending into said housing, said boss beingopen at its lower end, and a dash 0t removably fixed in the open lowerend t ereof.

5. An article of manufacture comprisin in combination, a plate, fulcrumstan 5 formed on said plate, and an upwardlyextending hollow boss formedupon said plate, said boss being adapted to removably receive a dashpot.

HARRY S. BERGEN. Witnesses:

Framers Dorms, H. O. Ennsnmzona.

